Adjustable clamp employed in structural-concrete construction.



4 P. WILKBS. ADJUSTABLE SLAM? EMPLOYEE IN STRUGTURAL ONGREIE CONSTRUCTION.

APPLIUATIN IE'lLDD 11F-0.18, 1908. 985,086. Patented Few/31, 1911.

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' fue! i yicesiadapiml is retaiii in pot. ,lim thefnits li0 the same; Fig. 5

PAUL WILKES, CIF CLEVELAND, GHIO, ASSIGNOB, BY MESNE ASSIGNME''TS, T0 HU'EEE B1. BRATDY, F CLEVELAND, OHIO.

UNITED STATES OFFICE ALJUSTBLE CLAMP EMPLOYED XNy STRUCTURAL-GONCRETE CONSTIL'UGTIN..

zgToraIi whom it may zimmern:

f Beit known that l, PAUL Wimim., :i citil zeil., of the, United Simms, and reident @if fGlevelmifl, iii the; cimizity of Cuyahoga and State of Ohio, haw. inventati certain lnizw i vvsfliicli @ne employed iii iiiclosiiig tlm gird 'dI `c liiiiiis of cmici'ee Construction usati riliiiildings 2mal other at aipiacl` t9 inclse ii\cs-e liri pi'oong. he :nient-ion ccmprises metal clamping blocks' having sperling-s trmisvizi j, ai :fight aiiglesthewt, into which zuigulai; cali geared to'eiigage the planks, on all nizceszary sies tn'support mtl retain thi-:m in position untiilie @omi-ete thoirouglily in lace, when by loseriiig the clamps tlifef angusti' amps can 'be readily Withdrawn. The invention furtliex compi-lees the @mw .birmtion and arrangemii of parts and @mi- "Stuctioii o cle'tal as liei'eiiia'sei -sciibech slibwn im 'tlm mwmpmiying `drew?.iiigfi mid specicallypointefl out in the claims.

3-5 is,apsi''iective'vew olf the; clamping device arrangein a rectangularniclcgsure; Fig. E2

; isfsi Verslie'ctiVIS-view affine of the clamping bloem; l ig'. 3 is a side elevational? one of the blocks;V Fig. l isa View from another-'side 0f is a. ,horizontal section thiiugl'i` s; column showing the clamping ile 'vibe'thfi'eoiu Fig. is a, trziilsversesectioii throughfa ceiling tlm gilrder slmwingtlie po sition and arrangeiiien-t kif tile clamping bloclS, ml suppm'tiug aims., and algo showscnlumii inclosefl im planks and :1. Clamping devic hoiizntall'y secured thereto; 4' shows the position @l-tlm clanipiung devices arranged t9 Suppepit't an outer gil-datand also adapted to prevent the expoeffioiit 0l tlir girder from bulging out. Fig. Sri@ a, plan 'View of Une o f the blcls iiom below. f

In these Views 1 is one 0f the blocks thrpugh whichV opposiuely exten'ding open ings 2' und 3 pass. These openings are at pecioation of Letters yatent.

Application eDe-:cmber 18, 190B. Serial No. 468,247..

il v The. ubetg the invention am i0 pm- Y provided. with an angular rese-Ss Klimt Patented Fem 21, 191i, 'f'

dill-ferent levels and are preferably at right angles to each other, A narrow slot 4L c0117/ iitscts these openings and extends in the same direction as one 0l: them. in these. openings are placed the angular mms: 5 und (3 whiclr cnn ha combined and arranged in iii-any dif ferent Ways so as tn support the plmilm P which incluse the Camerata C ,until liaidvne These .arms are graduated at Gf su that Gumia flimenions of the giriler or column will be pii'esl-iived at all parts tlici'fsof.

Iii use tlm rms fire arranged in any con vaxiieli'; mami@ ami when iii 'prnpel' position Wedge W' 'li'iwn im@ the; narrow slu: it between 'the am ln mieli block mul the arms 70 are that @Wely faitenetl in place.

By tint-1 'e (if lu-i device described per'fmt' conci-e wvl-ii @am be enmity-usted sind 'rigrl supporta man be mm'cl about stnnfliljig Work \.'itl'1out the. um of heavy ti1iiliers,'and a con 75 aiclcmlll@ lui-meint of labor amil material can be sfwfffl, The clamps @an be' used over and miei' again :is tha wo'l piogiesses Without sorting and fitting Wunden i'iiolds together.

The arms can be nia-:le Gi aiiylegth df Eff sired to mit the required work. 4Vzuioiigi combinations of tlm arms and blocks are poslsible, azul the blocks can be adapted to eitlir righi:- oi' llezil't lismfl a-pplisaiion to the work and to the plgaiiling enveloping fconczetej Structurelaiifl tjliesup'poiting framing there- ;fo' can readily be Suppoitml thereby iii large varie 'y 'of @milieus asf in cilings, the? faces of Tlws, uml of fznlmnns.

In Fig, '.7 a. peculiarly rigid :ii'rangmeiit 90 of three angular bars and 'three blolts is shown. Admi-110W rigid ircctanglu B is farmed l@ support the outer ffice K'O the concrete gircler; Thelowi' face L` is alo suppmtenl by one arm X und :t third arm Z supports the inner face M and the ceiling v (l. A tenipoary column l) holds the parts in positiu until the ciic'rete has seh Teinjporary remining beams, E, and Rare snppoi'ted 0n ,the liar X. In Fig. (l the. three. 1,00

liars are cnnected to' support ail intermedi at@ girder or beam C. ln Fig. 5 two-angular bars are shown seuring the planks P in place; about a vertical column. Here tht..

graduatel edgjts ofthe bars permit of unil form adjustment of the lizirswlierver usecl at .all parts of the caluiiii.

To permit if quivi; variation and imm? changeability vf parte the blocka; ,are

A 35 other and; at diirerent levels, "f .riarms passing through said openings, a cenof the corner of one side. This recess recreiyes the projecting angle of the concrete '-lili'eik and ine up tlush with the lanks. rl'his angusffl'strecess is duplicated 1n the opposite cor- .A 2T- nerf in the same face, so that the bars an "if" blcks can be attached together for either."

, right or left hand construction. i shown the hars and blocks, are adeptlojediffor use in an immense variety of positions and hence are unusually elicient and "practical ior the construction of structural concrete and of lire proofing or concrete fveheering. of all kinds. lafv Having described the. invention what lI 'lraiim as new and desire to secure by Letters Patent is l-1. In a clamping device for the purpose escribed, block provided with penmgs passing ltherethrough, at right l, ngles to each other, a pairof graduated iigular arn'is adapted to enter said openl s, a narrow transverse opening in said M ,lock between said arms, a wedge adapted 25 to enter said transverse opening and to env ',1- age both of said armsthe edges of said lock parallel to the widest side of said edge being cut awayl for the purpose de- .;,,s' cribed.A I

clamping device for the support of :planks for concrete construction and adapt- -v fed for -use with an angular' structure, in combination, a pair of. blocks haring openings fpassing therethrougl'i at right angles to each a pair of angular i tral slot passing through said block inter- F mediate of said openings and coinxnunicatfing therewith, and a wedge adapted to be 40-inserted in said intermediate openlng between said arms and to engage both of the saine simultaneously, substantially as dei-'scribed 'ffii 3. A clamping device for the purpose set 'di forth, comprising, a block hai/ing openings passing therethrough at different levels, and at right angles to each other and with an permits the clamping bars to (1 tween bot-h Said intermediate narrow through in the direction of one of slot passlng theresaid graduated arms in sai openings and a Wedge in Seidl/slot intermediate besame simultaneously, scribed.

4. In a clamping un angular Objea' b1 arms and substantially as dedevice adapted to inclose ocl having openings therethrough at angles to each other, and with a central transverse Slot intermediate a pair of angular between and connecting arms inserted 1n said bath Said openings, open-I ings and a securing wedge inserted in said slot'transvcrse between having its edges pareil of' the said wedge, cut

said arms, said block el to the broad sides away to adapt it to engage a corner of the inclosed Object ther@- 5. A clam through at an intermediate narrow slot necting said openings,

face

by and adapted for right and left hand use. ing block comprising ai-solid passing therep and with centrally contlie corners of one parallel to the broad sides of Seid Slot,

being cut away 'to form recesses at angles to said openings.

6. In a clamping the casing, planks device for supporting ior concrete construction,

said concrete constructionhaving angular forms, a pair of blocks sitely provided with oppoextending openings therethrough, a

series of angular 'bars passing through said blocks, asecuring means each of .sa-id blocks, e away in adjacent right and left In testimony whereo In presence of Guo. O. WILLET, WM.. M. Mormon corners hand use of said blocks and bars, and to enable the said bars to closely the an'gles'of the work.

engaging the for each bar in` ach` block being cut to provide for ,engage f, I hereunto' set my hand this IO day of December 1908.

PAUL WILKES. 

